Time to go to a real running shop and get the credit card out.

I went to Sweatshop on Ransomes Europark where I got a video gait analysis done. The assistent was very helpful and seemed to know what he was talking about. He came out with 4 different shoes that would suit my running style from 4 diferent manufactures. I tried each in turn running around the store and I walked out with a pair of Asics GT2140.
I could have got them a bit less on the net but the excellent service was worth the extra.